;The kind of mating, using as one parent a known homozygous recessive, is called a testcross.
这种
即利用一个已知
隐性作为一个亲本，称为测。
,
The kind of mating, using as one parent a known homozygous recessive, is called a testcross.
这种即利用一个已知隐性作为一个亲本，称为测。
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